Hilton Cordero Rosario was given a sentence of 10 years as part of a plea deal. Cordero apologised as he appeared in a jail uniform in federal court in San Juan.
The judge also sentenced him yesterday to 15 years of probation and said he will be required to register as a sex offender upon his release.
Cordero had been facing 20 felony counts and 30 years in prison when he entered a guilty plea to a single count in February as part of the deal. He had persuaded an underage girl in his neighborhood to pose for explicit photos.